prysm-pulse/testing/util/helpers_test.go
2024-02-26 22:23:23 +00:00

62 lines
2.3 KiB
Go

package util
import (
"bytes"
"context"
"encoding/binary"
"testing"
"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/helpers"
"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/signing"
"github.com/prysmaticlabs/prysm/v5/beacon-chain/core/time"
fieldparams "github.com/prysmaticlabs/prysm/v5/config/fieldparams"
"github.com/prysmaticlabs/prysm/v5/config/params"
"github.com/prysmaticlabs/prysm/v5/consensus-types/primitives"
"github.com/prysmaticlabs/prysm/v5/testing/assert"
"github.com/prysmaticlabs/prysm/v5/testing/require"
"github.com/prysmaticlabs/prysm/v5/time/slots"
)
func TestBlockSignature(t *testing.T) {
beaconState, privKeys := DeterministicGenesisState(t, 100)
block, err := GenerateFullBlock(beaconState, privKeys, nil, 0)
require.NoError(t, err)
require.NoError(t, beaconState.SetSlot(beaconState.Slot()+1))
proposerIdx, err := helpers.BeaconProposerIndex(context.Background(), beaconState)
assert.NoError(t, err)
assert.NoError(t, beaconState.SetSlot(slots.PrevSlot(beaconState.Slot())))
epoch := slots.ToEpoch(block.Block.Slot)
blockSig, err := signing.ComputeDomainAndSign(beaconState, epoch, block.Block, params.BeaconConfig().DomainBeaconProposer, privKeys[proposerIdx])
require.NoError(t, err)
signature, err := BlockSignature(beaconState, block.Block, privKeys)
assert.NoError(t, err)
if !bytes.Equal(blockSig, signature.Marshal()) {
t.Errorf("Expected block signatures to be equal, received %#x != %#x", blockSig, signature.Marshal())
}
}
func TestRandaoReveal(t *testing.T) {
beaconState, privKeys := DeterministicGenesisState(t, 100)
epoch := time.CurrentEpoch(beaconState)
randaoReveal, err := RandaoReveal(beaconState, epoch, privKeys)
assert.NoError(t, err)
proposerIdx, err := helpers.BeaconProposerIndex(context.Background(), beaconState)
assert.NoError(t, err)
buf := make([]byte, fieldparams.RootLength)
binary.LittleEndian.PutUint64(buf, uint64(epoch))
// We make the previous validator's index sign the message instead of the proposer.
sszUint := primitives.SSZUint64(epoch)
epochSignature, err := signing.ComputeDomainAndSign(beaconState, epoch, &sszUint, params.BeaconConfig().DomainRandao, privKeys[proposerIdx])
require.NoError(t, err)
if !bytes.Equal(randaoReveal, epochSignature) {
t.Errorf("Expected randao reveals to be equal, received %#x != %#x", randaoReveal, epochSignature)
}
}